Nordic Ware Universal 8 Cup Double Boiler Fits 2 to 4 Quart Sauce Pans, White

Amazon.com Price: $24.20 (as of 04/09/2023 11:08 PST- Details)

Fits pot and pans from 6 to 9 inches in diameter (2 to 4 quarts)
Made of aluminum with nonstick interior for easy release
Easy to clean